Brassy Mining Bee - Lasioglossum morio
Both sexes are most easily distinguished from the others by the densely punctate, dull scutum which has obvious microsculpture between the punctures. Some females of Lasioglossum leucopus can be difficult to separate, but morio has a duller thorax, duller hind margins to the upper part of the propodeum, and minute transverse ridges on the apical depression of tergite 2.
Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.
Found in a wide range of habitats, where it exploits various flowers.
Females are active from late March to the end of October, males from late June to late October (exceptionally early November).
It can sometimes be found nesting in the soft mortar walls or in exposed soil.
This is a widespread and often abundant species in England and Wales, and the commonest of our four small, metallic-green/bronzy Lasioglossum species.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015